December 8, 2013 9:07pm ESTDecember 8, 2013 2:21pm ESTAdrian Peterson had to be taken to the locker room on a cart early in the second quarter of the Vikings' game in Baltimore Sunday, after suffering an injury to his right foot on a tackle on the sideline.Adrian Peterson(AP Photo)

Adrian Peterson had to be taken to the locker room on a cart early in the second quarter of the Vikings' game Sunday in Baltimore after suffering a mid-foot sprain.

Peterson, who entered the game leading the NFL in rushing, caught a swing pass, raced to the right sideline and was taken down by his ankles by the Ravens' Arthur Brown. Peterson dropped the ball as he went down and immediately started writhing in pain. He eventually was helped up and taken to the Vikings' bench.

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However, before the Vikings' next possession, he was put on the cart and taken to the locker room. Toby Gerhart replaced him at running back. Peterson returned to the field following an MRI and has been diagnosed with a mid-foot sprain.

Peterson was listed as questionable during the week with a groin injury and sat out two days of practice.